Began CSS on graph

Began stylings on graph.  Also deleted extra files, including highcharts version of line graph, web.js, and old canvas.js file.  Renamed line-chart folder to line_chart.
Adding functionality for toggling colors
Merge branch 'master' into line_chart_refactor_MVC
Merged down from master
merged with master, no changes
Merge pull request #44 from rjbernaldo/line_chart_refactor_MVC

Line chart refactor mvc